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Investigating Fuses

  1. Mar 3, 2008 #1
    I have just started a Physics project which I have already missed the deadline for >_<

    I have a very minimal set of results, I basically took a power supply>smoothing unit and put them in a circuit with a component holder and two resistors (in parrallel so I didnt blow the ammeter) and took readings.

    Was wondering if I could get some helpful information etc. on fuses. Can anyone give me a detailed explanation of why fuses melt, I was hoping to tie in Electrical resistivity [I'm aware it changes as fuse heats] and possible thermal conductivity?

    Does the thermal expansion of a wire have any relevance?


    Thanks

    Sam
     
  2. jcsd
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